<template>

    <a-layout>

        <a-layout-content :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }">
            <p>
                <a-form layout="inline" :model="param">
                    <a-form-item>
                        <a-input v-model:value="param.name" placeholder="名称">
                        </a-input>
                    </a-form-item>
                    <a-form-item>
                        <a-button type="primary" @click="handleQueryLike({page: 1,size: pagination.pageSize})">
                            查询
                        </a-button>
                    </a-form-item>
                    <a-form-item>
                        <a-button type="primary" @click="add()">
                            新增
                        </a-button>
                    </a-form-item>
                </a-form>
            </p>
            <a-table
                    :columns="columns"
                    :row-key="record => record.id"
                    :data-source="ebooks"
                    :pagination="pagination"
                    :loading="loading"
                    @change="handleTableChange"
            >
                <template #cover="{text:cover}">
                    <img v-if="cover" :src="cover" alt="avatar"/>
                </template>

                <template v-slot:category="{text,record}">
                    <span>{{getCategoryName(record.category1Id)}} / {{getCategoryName(record.category2Id)}} </span>
                </template>

                <template v-slot:action="{text,record}">
                    <a-space size="small">
                        <router-link :to="'/admin/doc?ebookId='+record.id">
                            <a-button type="primary">
                                文档管理
                            </a-button>
                        </router-link>

                        <a-button type="primary" @click="edit(record)">
                            编辑
                        </a-button>

                        <a-popconfirm
                                title="删除后不可恢复，确认删除?"
                                ok-text="是"
                                cancel-text="否"
                                @confirm="handleDelete(record.id)"
                        >
                            <a-button type="danger">
                                删除
                            </a-button>
                        </a-popconfirm>
                    </a-space>
                </template>
            </a-table>

        </a-layout-content>
    </a-layout>
    <a-modal
            title="电子书表单"
            v-model:visible="modalVisible"
            :confirm-loading="modalLoading"
            @ok="handleModalOk"
    >
        <a-form :model="ebook" :label-col="{span: 6}">
            <a-form-item label="封面">
                <a-input v-model:value="ebook.cover"/>
            </a-form-item>
            <a-form-item label="名称">
                <a-input v-model:value="ebook.name"/>
            </a-form-item>
            <a-form-item label="分类">
                <a-cascader
                        v-model:value="categoryIds"
                        :field-names="{label: 'name',value: 'id',children: 'children' }"
                        :options="level1"/>
            </a-form-item>
            <a-form-item label="描述">
                <a-input v-model:value="ebook.description" type="textarea"/>
            </a-form-item>


        </a-form>
    </a-modal>
</template>

<script lang="ts">
    import {defineComponent, onMounted, ref} from "vue";
    import axios from "axios";
    import {message} from "ant-design-vue";
    import {Tool} from '@/utils/tool.ts';
    import {useRoute} from "vue-router";

    export default defineComponent({
        name: 'AdminEbook',
        setup() {


            const ebooks = ref();
            const param = ref();
            param.value = {};

            const pagination = ref({
                current: 1, //当前页
                pageSize: 4, //每一页数量
                total: 0
            });
            const loading = ref(false);

            const columns = [
                {
                    title: '封面',
                    dataIndex: 'cover',
                    slots: {customRender: 'cover'}
                },
                {
                    title: '名称',
                    dataIndex: 'name',
                },
                {
                    title: '分类',
                    // dataIndex: 'category1Id',
                    slots: {customRender: 'category'}
                },
                {
                    title: '文档数',
                    dataIndex: 'docCount',
                    slots: {customRender: 'docCount'}
                },
                {
                    title: '阅读数',
                    dataIndex: 'viewCount',
                    slots: {customRender: 'viewCount'}
                },
                {
                    title: '点赞数',
                    dataIndex: 'voteCount',
                    slots: {customRender: 'voteCount'}
                },
                {
                    title: 'Action',
                    key: 'action',
                    slots: {customRender: 'action'}
                },
            ]
            /**
             * 数据查询
             */
            const handleQuery = (params: any) => {
                loading.value = true;
                ebooks.value = [];
                axios.get("ebook/list", {
                    params: {
                        page: params.page,
                        size: params.size,
                    }
                }).then((response) => {

                    loading.value = false;
                    const data = response.data;
                    ebooks.value = data.content.list;

                    //重置分页按钮
                    pagination.value.current = params.page;
                    pagination.value.total = data.content.total;
                });
            };

            /**
             * 通过姓名模糊查询
             */
            const handleQueryLike = (params: any) => {

                loading.value = true;
                axios.get("ebook/list_by_name", {
                    params: {
                        page: params.page,
                        size: params.size,
                        name: param.value.name
                    }
                }).then((response) => {
                    loading.value = false;
                    const data = response.data;
                    ebooks.value = data.content.list;
                    //重置分页按钮
                    pagination.value.current = params.page;
                    pagination.value.total = data.content.total;

                });
            };

            /**
             * 表格点击页码时触发
             */
            const handleTableChange = (pagination: any) => {
                // console.log("看看自带的分页参数有哪些："+pagination);
                handleQuery({
                    page: pagination.current,
                    size: pagination.pageSize
                });
            };

            //表单数据
            const categoryIds = ref();
            const modalVisible = ref(false);
            const modalLoading = ref(false);
            const ebook = ref();
            const handleModalOk = () => {
                modalLoading.value = true;
                ebook.value.category1Id = categoryIds.value[0];
                ebook.value.category2Id = categoryIds.value[1];

                axios.post("/ebook/save", ebook.value).then((response) => {
                    const data = response.data; //data=commonResp
                    modalLoading.value = false;
                    if (data.success) {
                        modalVisible.value = false;
                        //重新加载列表
                        handleQuery({
                            page: pagination.value.current,
                            size: pagination.value.pageSize
                        });
                    } else {
                        message.error(data.message);
                    }
                });
            };

            /**
             * 编辑
             */
            const edit = (record: any) => {
                modalVisible.value = true;
                ebook.value = Tool.copy(record);
                categoryIds.value = [ebook.value.category1Id, ebook.value.category2Id];

            };

            /**
             * 新增
             */
            const add = (record: any) => {
                modalVisible.value = true;
                ebook.value = {};
            };

            /**
             * 删除
             */
            const handleDelete = (id: string) => {
                console.log(id);
                axios.delete("/ebook/delete/" + id).then((response) => {
                    const data = response.data;
                    if (data.success) {
                        //重新加载列表
                        handleQuery({
                            page: pagination.value.current - 1,
                            size: pagination.value.pageSize
                        });
                    }
                });

            };

            const level1 = ref();
            let categorys: any;

            /**
             * 查询所有分类
             */
            const handleQueryCategory = () =>{


                axios.get("/category/all").then((response)=>{

                    const data = response.data;

                    if(data.success) {
                        categorys = data.content;

                        level1.value=[];
                        level1.value = Tool.array2Tree(categorys,0);
                        handleQuery({
                            page: 1,
                            size: pagination.value.pageSize
                        });
                    }else {
                        message.error(data.message);
                    }
                });
            };

            const getCategoryName = (cid: number)=>{
                let result ="";
                categorys.forEach((item:any)=>{
                    if(item.id == cid){
                        result=item.name;
                    }
                });
                return result;
            };


            onMounted(() => {
                handleQueryCategory();

            });

            return {
                ebooks,
                pagination,
                columns,
                loading,
                handleTableChange,
                edit,
                modalVisible,
                modalLoading,
                handleModalOk,
                ebook,
                add,
                handleDelete,
                handleQuery,
                param,
                handleQueryLike,
                level1,
                categoryIds,
                getCategoryName

            }
        }
    })
</script>

<style>
    img {
        width: 50px !important;
        height: 50px !important;
    }
</style>
